1057099131 has 12 divisors (see below), whose sum is σ = 1665732120. Its totient is φ = 640666080.

The previous prime is 1057099123. The next prime is 1057099189. The reversal of 1057099131 is 1319907501.

It is not a de Polignac number, because 1057099131 - 2³ = 1057099123 is a prime.

It is a super-2 number, since 2×1057099131² = 2234917145521910322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057091131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5338786 + ... + 5338983.

It is an arithmetic number, because the mean of its divisors is an integer number (138811010).

Almost surely, 2^1057099131 is an apocalyptic number.

1057099131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1057099131 is a deficient number, since it is larger than the sum of its proper divisors (608632989).

1057099131 is a wasteful number, since it uses less digits than its factorization.

1057099131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10677786 (or 10677783 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 36.

The square root of 1057099131 is about 32513.0609294173. The cubic root of 1057099131 is about 1018.6818584355.

The spelling of 1057099131 in words is "one billion, fifty-seven million, ninety-nine thousand, one hundred thirty-one".